City plumbing codes require restaurants and other commercial establishments that prepare food to install and maintain grease traps to prevent excesive amounts of food grade grease and oils from entering the sanitary sewer collection system. These establishments are charged with the responsibility maintaining the grease traps in proper working order.Excessive amounts of grease discharged to the collection system can cause sewer back ups and sanitary sewer overflows which cause increased operations and maintenance costs. The Industrial Pretreatment department conducts on site inspections of grease traps to ensure compliance. Facilities that do not properly maintain their grease traps may faces fines up to $1,000 dollars per violation. The City recommends that a 1,000 gallon grease trap be installed at all new and refurbished facilities. For grease interceptor forms look under downloadable forms.